partial order A partial order on a set X, usually denoted ⩽, is a binary relation which is reflexive, anti-symmetric, and transitive. Examples include ⊆ on the power set of a set and divides on the set of positive integers. See also total order.
partial order
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。